//C++ code  to make task manager generate sine graph 
#include "Windows.h" 
#include "stdlib.h" 
#include "math.h" 

const double SPLIT = 0.01; 
const int COUNT = 200; 
const double PI = 3.14159265; 
const int INTERVAL = 300; 

int main(int argc, char* argv[]) 
{ 
	DWORD busySpan[COUNT];  //array of busy times 
	DWORD idleSpan[COUNT];  //array of idle times 
	int half = INTERVAL / 2; 
	double radian = 0.0; 
	for(int i = 0; i < COUNT; i++) 
	{ 
		busySpan[i] = (DWORD)(half + (sin(PI * radian) * half)); 
		idleSpan[i] = INTERVAL - busySpan[i]; 
		radian += SPLIT; 
	} 

	DWORD startTime = 0;         
	int j = 0; 
	while (true) 
	{ 
		j = j % COUNT; 
		startTime = GetTickCount(); 
		while ((GetTickCount() - startTime) <= busySpan[j]) ; 
		Sleep(idleSpan[j]); 
		j++; 
	} 
	return 0; 
} 